How Do You Close These Drain Valves?
Have a new to us truck camper ( Alpenlite ) . The previous owner drained the tanks prior to winter and we are now trying to fill tanks for a trip. Unfortunately, the drain valves seem to be "stuck" in the open position, and thus water simply drains back out. Not sure hoe to close these. It seems that perhaps a cap is missing? Tried turning the inner and outer pieces, but no luck.
Any help would be greatly appreciated.